add a bot example script

examples/bot.js

@@ -0,0 +1,34 @@
+//
+//  bot.js
+//  hifi
+//
+//  Created by Brad Hefta-Gaub on 2/20/14.
+//  Copyright (c) 2014 HighFidelity, Inc. All rights reserved.
+//
+//  This is an example script that demonstrates an NPC avatar.
+//
+//
+
+function getRandomFloat(min, max) {
+    return Math.random() * (max - min) + min;
+}
+
+function getRandomInt (min, max) {
+    return Math.floor(Math.random() * (max - min + 1)) + min;
+}
+
+// choose a random x and y in the range of 0 to 50
+positionX = getRandomFloat(0, 50);
+positionZ = getRandomFloat(0, 50);
+
+// change the avatar's position to the random one
+Avatar.position = {x: positionX, y: 0, z: positionZ};
+
+// pick an integer between 1 and 20 for the face model for this bot
+botNumber = getRandomInt(1, 20);
+
+// set the face model fst using the bot number
+// there is no need to change the body model - we're using the default
+Avatar.faceModelURL = "https://s3-us-west-1.amazonaws.com/highfidelity-public/meshes/bot" + botNumber + ".fst";
+
+Agent.isAvatar = true;